Charles Clark was a United States circuit judge of the United States Court of Appeals for the Fifth Circuit. He is, as of 2019, the highest ranking judicial official from Mississippi since Lucius Quintus Cincinnatus Lamar II served on the United States Supreme Court in 1893.

The United States Court of Appeals for the Fifth Circuit is one of the 13 United States courts of appeals. It has appellate jurisdiction over the U.S. district courts in the following federal judicial districts:Eastern District of Louisiana Middle District of Louisiana Western District of Louisiana Northern District of Mississippi Southern District of Mississippi Eastern District of Texas Northern District of Texas Southern District of Texas Western District of Texas